Get Your Code:Click here to download the free sample codethat you’ll use to check if a string contains a substring. Take the Quiz:Test your knowledge with our interactive “How to Check if a Python String Contains a Substring” quiz. You’ll receive a score upon completion to help you...
When working with text data in Python, a team member was checking whether a string contains a particular substring. I suggested a few methods that Python provides to do this. Let me show you different methods tocheck if a Python string contains a substringusing some real-time examples. To c...
Checking if a string contains a substring is a task that comes up often when you are using any programming language, and if you’re trying to figure out how to do that inPython, you’re in luck. You have many options to check if a Python string contains a substring. Below are some ...
defcheck_substring_with_index(main_string,substring):try:main_string.index(substring)returnTrueexceptValueError:returnFalse# 示例调用main_str="Python是一个强大的编程语言"sub_str="强大"print(check_substring_with_index(main_str,sub_str))# 输出: True 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11...
string[start:end:step] 1. 其中,start表示起始位置(包含),end表示终止位置(不包含),step表示步长(默认为1)。 使用切片截取字符串前几位 要截取字符串的前几位,只需将起始位置设为0,终止位置设为需要截取的长度即可。下面是一个简单的示例: string="Hello, World!"substring=string[0:5]print(substring) ...
A substring is the part of a string. Python string provides various methods to create a substring, check if it contains a substring, index of substring etc. …
一部分substring ="Python"[1:4]print("截取字符串中的一部分示例:", substring)#输出:yth#🌾:使用 in 运算符check_in ="H"in"Hello"print("使用 in 运算符示例:", check_in)#输出:True#🌾:使用 not in 运算符check_not_in ="H"notin"Hello"print("使用 not in 运算符示例:", check_not_...
In order to avoid thisTraceback Error, we can use the keywordinto check if a substring is contained in a string. In the case of Loops, it was used for iteration, whereas in this case it’s a conditional that can be eithertrueorfalse.It’ll be true if the substring is part of the...
2. Usingfind()to check if a string contains another substring We can also usestring find() functionto check if string contains a substring or not. This function returns the first index position where substring is found, else returns -1. ...
Python 判断字符串是否存在子字符串 Python3 实例 给定一个字符串,然后判断指定的子字符串是否存在于该字符串中。 实例 [mycode3 type='python'] def check(string, sub_str): if (string.find(sub_str) == -1): print('不存在!') else: ..